netdev - [PATCH net-next 08/14] devlink: health: combine loops in dump

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Message-Id: <20230104041636.226398-9-kuba@kernel.org>
Date:   Tue,  3 Jan 2023 20:16:30 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com,
        jacob.e.keller@...el.com, jiri@...nulli.us,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 08/14] devlink: health: combine loops in dump

Walk devlink instances only once. Dump the instance reporters
and port reporters before moving to the next instance.
User space should not depend on ordering of messages.

This will make improving stability of the walk easier.

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 net/devlink/leftover.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
index 9aac82dc7269..e3cfb64990b4 100644
--- a/net/devlink/leftover.c
+++ b/net/devlink/leftover.c
@@ -7940,10 +7940,7 @@ devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg,
 			idx++;
 		}
 		mutex_unlock(&devlink->reporters_lock);
-		devlink_put(devlink);
-	}
 
-	devlinks_xa_for_each_registered_get(sock_net(msg->sk), index, devlink) {
 		devl_lock(devlink);
 		xa_for_each(&devlink->ports, port_index, port) {
 			mutex_lock(&port->reporters_lock);
-- 
2.38.1